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1� I• s� wpm s �! �► <br /> TABLE I GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration( L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene X lenes TPH-g MTBE <br /> MW 13 12/06/99 808 19 10 -1102 000 -- -- __ __ __ -_ <br /> MW 13 02/29/00 808 1682 -874 0 00 <1 <1 <1 <1 <50 <1 <br /> MW 13 05/16/00 808 16 18 -8 10 0 00 -- -- __ -- -- <br /> MW 13 09/11/00 808 1868 -1060 000 -- -- __ __ _- -- <br /> MW13 12/13/00 808 1859 -1051 000 <05 <05 <05 063 <50 <05 <br /> M W 13 03/08/01 808 1788 -980 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> MW 13 06/21/01 808 1928 -1120 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> MW l3 09/20/01 808 2057 -1249 000 -- __ -_ __ <br /> M W 13 12/04/01 808 2039 -12 31 000 -- -- _- __ -- <br /> MW13 ---03/06/02 808 1940 -1132 000 <0 5 220 115 300 80 1 h <0 5 <br /> MWI3 06/11/02 808 -- -- -- -_ __ <br /> MW13 09/10/02 808 2140 -13 32 000 <br /> MW 13 12/18/02 8 08 21 12 -1304 000 <br /> PI 01/30/91 779 3024 -2245 000 -- -- -- __ __ <br /> P1 05/02/91 779 30 13 -2234 000 340 5 430 520 3,700 <br /> PI 07/16-17/91 779 3109 -2330 000 160 <2 5 160 240 3,000 -- <br /> 131 10/15/91 7 79 31 68 -23 89 000 69 3 4 63 73 1,300 -- <br /> PI 01/28/92 779 2993 -22 14 000 110 26 270 330 2,000 -- <br /> Pl 04/30/92 779 2956 -21 77 0 00 120 <10 540 600 4,700 -- <br /> PI 08/13/92 779 31 57 -23 78 000 72 4 5 260 260 2,900 -- <br /> PI 10/08/92 779 32 17 -2438 000 18 28 52 45 1,100 <br /> P1 02/23/93 779 2882 -2103 000 66 1 8 200 200 2,300 -- <br /> P1 05/18/93 779 2746 -1967 000 43 18 290 220 3,200 -- <br /> Pl 08/22/93 779 2772 -1993 000 44 6 9 160 130 1,900 -- <br /> P1 12/30/93 779 2707 -1928 000 210 52 840 770 7,800 -- <br /> P1 02/17/94 779 2675 -1896 000 57 29 250 190 2,300 -- <br /> Pl 05/10/94 779 2641 -1862 000 120 60 450 370 4,800 -- <br /> PI 08/02/94 779 2787 -20 08 000 100 16 310 200 3,200 <br /> PI 11/01/94 779 2820 —2041 000 52 <0 5 160 120 1,700 -- <br /> PI 02/17/95 779 2552 -1773 000 80 5 8 300 180 4,000 <br /> PI 05/11/95 779 2295 -15 16 000 55 <5 0 160 110 2,400 -- <br /> G\Projecis173942\MASTER\WP1WPO30313942gw xis Page 24 of45 <br />